Display rack



FIG. 1 is a perspective view of the display rack;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof, the rear elevation view is a mirror image of the front; and,

FIG. 4 is a left side elevation view thereof, the right side elevation view is an identical image of the left side. 

CLAIM The ornamental design for display rack, as shown and described. 